11899962943 has 8 divisors (see below), whose sum is σ = 13159611216. Its totient is φ = 10669953600.

The previous prime is 11899962917. The next prime is 11899962953. The reversal of 11899962943 is 34926999811.

11899962943 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11899962943 - 2²⁵ = 11866408511 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11899962953) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7408888 + ... + 7410493.

It is an arithmetic number, because the mean of its divisors is an integer number (1644951402).

Almost surely, 2^11899962943 is an apocalyptic number.

11899962943 is a deficient number, since it is larger than the sum of its proper divisors (1259648273).

11899962943 is a wasteful number, since it uses less digits than its factorization.

11899962943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14819465.

The product of its digits is 7558272, while the sum is 61.

The spelling of 11899962943 in words is "eleven billion, eight hundred ninety-nine million, nine hundred sixty-two thousand, nine hundred forty-three".